What is a good drought tolerant plant for a steep Bank?

Several species of junipers that are low growing & some spread somewhat. Check your local ag extension service and/or nursery, garden supply.

Garden Pinks - Alpines etc......

The best thing to do is go to a LOCAL nursery and ask them... take pictures with you... they will know the best plants to recommend

1. Helianthemum 'Fire Dragon’. Ever-greyish leaves, orange flowers late spring to early summer.
2. Hebe 'Caledonia’. Evergreen; violet flowers June-Oct, compact with glossy red-edged foliage.
3. Leptospermum scoparium (Nanum Group) 'Kiwi’. Evergreen; deep pink flowers late spring-early summer; bronze leaves.
4. Cistus 'Snow Fire’. Evergreen aromatic foliage, white flowers with a maroon blotch in early summer.
5. Lavandula x chaytoriae 'Sawyers’. Evergreen, bushy, spikes of pale purple flowers June-July.
6. Lithodora diffusa 'Grace Ward’. Evergreen, forms mat 15cm (6in) high.
7. Artemisia 'Powis Castle’. Handsome “evergrey” foliage.
8. Ballota pseudo- dictamnus. Evergreen white woolly foliage, small pink flowers.
9. Juniperus procumbens 'Nana’. Evergreen mat-forming conifer with spiky grey-green foliage.

Pinus parviflora 'Adcock’s Dwarf’. Blue-green evergreen.